The temporal evolution process from fluorescence bleaching to clean Raman spectra of single solid particles optically trapped in air
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Physics Letters"
DOI: 10.1016/j.cplett.2017.09.064
Abstract: Abstract We observe the entire temporal evolution process of fluorescence and Raman spectra of single solid particles optically trapped in air. The spectra initially contain strong fluorescence with weak Raman peaks, then the fluorescence was… read more here.
Keywords: fluorescence; air; spectra single; optically trapped ... See more keywords
Probing Photothermal Effects on Optically Trapped Gold Nanorods by Simultaneous Plasmon Spectroscopy and Brownian Dynamics Analysis.
Sign Up to like & getrecommendations! Published in 2017 at "ACS nano"
DOI: 10.1021/acsnano.7b04302
Abstract: Plasmonic gold nanorods are prime candidates for a variety of biomedical, spectroscopy, data storage, and sensing applications. It was recently shown that gold nanorods optically trapped by a focused circularly polarized laser beam can function… read more here.
Keywords: analysis; gold nanorods; brownian dynamics; spectroscopy ... See more keywords
Light Scattering By Optically-Trapped Vesicles Affords Unprecedented Temporal Resolution Of Lipid-Raft Dynamics
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-08980-1
Abstract: A spectroscopic technique is presented that is able to identify rapid changes in the bending modulus and fluidity of vesicle lipid bilayers on the micrometer scale, and distinguish between the presence and absence of heterogeneities… read more here.
Keywords: temporal resolution; lipid bilayers; unprecedented temporal; optically trapped ... See more keywords
Initiating revolutions for optical manipulation: the origins and applications of rotational dynamics of trapped particles
Sign Up to like & getrecommendations! Published in 2020 at "Advances in Physics: X"
DOI: 10.1080/23746149.2020.1838322
Abstract: ABSTRACT The fastest-spinning man-made object is a tiny dumbbell rotating at 5 GHz. The smallest wind-up motor is constructed from a DNA molecule. Picoliter volumes of fluids are remotely controlled and their viscosity precisely measured… read more here.
Keywords: revolutions optical; initiating revolutions; manipulation origins; optically trapped ... See more keywords
Energy transfer between optically trapped single ligand-free upconversion nanoparticle and dye
Sign Up to like & getrecommendations! Published in 2023 at "Nanotechnology"
DOI: 10.1088/1361-6528/acb69f
Abstract: The quenching in luminescence emission of an optically trapped ligand-free hydrophilic NaYF4:Yb, Er upconversion nanoparticle (UCNP) as a function of rose Bengal dye molecule is investigated here. The removal of oleate capping of the as-prepared… read more here.
Keywords: upconversion nanoparticle; optically trapped; upconversion; emission ... See more keywords
Optically trapped polariton condensates as semiclassical time crystals
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review A"
DOI: 10.1103/physreva.99.033830
Abstract: We analyze nonequilibrium phase transitions in microcavity polariton condensates trapped in optically induced annular potentials. We develop an analytic model for annular optical traps, which gives an intuitive interpretation for recent experimental observations on the… read more here.
Keywords: polariton; trapped polariton; time; polariton condensates ... See more keywords
Single Photons Emitted by Nanocrystals Optically Trapped in a Deep Parabolic Mirror.
Sign Up to like & getrecommendations! Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.124.013607
Abstract: We investigate the emission of single photons from CdSe/CdS dots-in-rod which are optically trapped in the focus of a deep parabolic mirror. Thanks to this mirror, we are able to image almost the full 4π… read more here.
Keywords: photons emitted; single photons; parabolic mirror; deep parabolic ... See more keywords
Trap stiffness modification of an optically trapped microsphere through directed motion of nanoparticles.
Sign Up to like & getrecommendations! Published in 2020 at "Applied optics"
DOI: 10.1364/ao.389500
Abstract: We report an enhancement in the corner frequency of an optically trapped non-magnetic microsphere in the plane perpendicular to the laser propagation direction on addition of ferrofluid to the suspension medium. We conjecture that a… read more here.
Keywords: corner frequency; directed motion; trap stiffness; motion nanoparticles ... See more keywords
Estimating orientation of optically trapped, near vertical, microsphere dimers using central moments and off-focus imaging.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.446610
Abstract: Near vertical optically trapped dimers, composed of pairs of microspheres, and constructed in situ, were imaged in bright-field in flow and at rest, and with displacement Δz from the transverse xy imaging plane of an… read more here.
Keywords: near vertical; optically trapped; trapped near; orientation optically ... See more keywords
Gradient torque and its effect on rotational dynamics of optically trapped non-spherical particles in the elliptic Gaussian beam.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.488217
Abstract: Rotational motion of the optically trapped particle is a topic of enduring interest, while the changes of angular velocity in one rotation period remain largely unexplored. Here, we proposed the optical gradient torque in the… read more here.
Keywords: optically trapped; elliptic gaussian; gradient torque; trapped non ... See more keywords
Precise Measurement of Transition Frequencies of Optically Trapped 40Ca19F Molecules
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Physical Society of Japan"
DOI: 10.7566/jpsj.87.104301
Abstract: The laser cooling and trapping of molecules have recently been achieved. In this paper, the possibility of precisely measuring the vibrational transition frequencies of optically trapped 40Ca19F mo... read more here.
Keywords: trapped 40ca19f; frequencies optically; precise measurement; optically trapped ... See more keywords